/// <summary>
/// Is gift voucher valid
/// </summary>
/// <param name="giftVoucher">Gift voucher</param>
/// <returns>Result</returns>
public static bool IsGiftVoucherValid(this GiftVoucher giftVoucher, Currency currency)
{
if (!giftVoucher.IsGiftVoucherActivated)
{
return(false);
}
if (giftVoucher.CurrencyCode != currency.CurrencyCode)
{
return(false);
}
if (giftVoucher.ValidTo.HasValue && giftVoucher.ValidTo.Value <= System.DateTime.UtcNow)
{
return(false);
}
decimal remainingAmount = giftVoucher.GetGiftVoucherRemainingAmount();
if (remainingAmount > decimal.Zero)
{
return(true);
}
return(false);
}
/// <summary>
/// Gets a gift voucher remaining amount
/// </summary>
/// <returns>Gift voucher remaining amount</returns>
public static decimal GetGiftVoucherRemainingAmount(this GiftVoucher giftVoucher)
{
decimal result = giftVoucher.Amount;
foreach (var gcuh in giftVoucher.GiftVoucherUsageHistory)
{
result -= gcuh.UsedValue;
}
if (result < decimal.Zero)
{
result = decimal.Zero;
}
return(result);
}
/// <summary>
/// Gets a gift voucher remaining amount
/// </summary>
/// <returns>Gift voucher remaining amount</returns>
public static double GetGiftVoucherRemainingAmount(this GiftVoucher giftVoucher)
{
double result = giftVoucher.Amount;
foreach (var gcuh in giftVoucher.GiftVoucherUsageHistory)
{
result -= gcuh.UsedValue;
}
if (result < 0)
{
result = 0;
}
return(result);
}